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22 Cards in this Set
- Front
- Back
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Spicule |
One of the thin, spiny structures that form the skeleton of the sponge |
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Amebocyte |
Sponge cell that builds spicules from calcium carbonate of silica |
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Spongin |
Protein that makes up the skeleton of some sponges |
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Gemmule |
Sphere shaped collection of amebocytes surrounded by spicules, which can grow into a new sponge |
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Osculum |
Large hole through which water exists the central cavity of a sponge |
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Collet cell |
One of the cells forming a wall of a sponges central cavity |
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Gastrovascular cavity |
Digestive cavity in cnidarians with only one opening |
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Nematocysts |
Stinging structure on the tentacles of cnidarians that is used to paralyze or kill prey |
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Endoderm |
Internal layer |
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Ectoderm |
Outer layer |
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Sponges ways of reproduction |
Budding, regeneration. Gemmules |
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Two phases of cnidarians |
Sessile polyp and motile medusa |
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3 main classes of cnidarians |
Hydrozoa, Scyphozoa and Anthozoa |
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Middle jelly layer? |
Mesoglea |
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Sponges do what to get their food? |
Filter feed |
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Why is it beneficial the way sponges reproduce |
You can make a lot, less energy, successful Clones in an area |
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Example of Hydrozoa? |
Hydra |
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Example of Scyphozoa? |
Jelly fish |
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Example of Anthozoa |
Anemones / Coral |
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How do cnidarians capture their food? |
With stinging cells called nematocysts or cnidoblasts |
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Internal cavity of sponge |
Spongocoel |
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Internal cavity of cnidarians |
Gastrovascular cavity |
